/**
 * 输入管理器
 * 
 * 功能：
 * 1. 处理键盘、鼠标和触摸输入
 * 2. 管理输入映射和绑定
 * 3. 支持自定义输入组合
 * 4. 处理输入优先级
 * 
 * 特点：
 * 1. 跨平台输入支持
 * 2. 可配置的输入映射
 * 3. 手势识别支持
 * 4. 输入状态缓存
 */
import { _decorator, Component, EventTouch, Vec2 } from 'cc';
const { ccclass, property } = _decorator;

@ccclass('InputManager')
export class InputManager extends Component {
    private static _instance: InputManager | null = null;
    private inputState: Map<string, boolean> = new Map();
    private touchPosition: Vec2 = new Vec2();

    public static get instance(): InputManager {
        return this._instance!;
    }

    onLoad() {
        if (InputManager._instance === null) {
            InputManager._instance = this;
            this.initInputListeners();
        } else {
            this.node.destroy();
        }
    }

    private initInputListeners(): void {
        // 实现输入监听初始化
    }

    // 输入状态检查
    public isKeyPressed(key: string): boolean {
        return this.inputState.get(key) || false;
    }

    // 触摸位置获取
    public getTouchPosition(): Vec2 {
        return this.touchPosition.clone();
    }
} 